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2222400004 = 2211172971123
BaseRepresentation
bin1000010001110111…
…0010001000000100
312201212211121200021
42010131302020010
514022413300004
61004305424524
7106034042206
oct20435621004
95655747607
102222400004
11a4053a020
1252033b144
132955752b6
1417122c776
15d0193d54
hex84772204

2222400004 has 24 divisors (see below), whose sum is σ = 4492339488. Its totient is φ = 950759040.

The previous prime is 2222399989. The next prime is 2222400067. The reversal of 2222400004 is 4000042222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484814 + ... + 1486309.

It is an arithmetic number, because the mean of its divisors is an integer number (187180812).

Almost surely, 22222400004 is an apocalyptic number.

It is an amenable number.

2222400004 is an abundant number, since it is smaller than the sum of its proper divisors (2269939484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2222400004 is a wasteful number, since it uses less digits than its factorization.

2222400004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2971155 (or 2971153 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2222400004 is about 47142.3377019002. The cubic root of 2222400004 is about 1304.9906790681.

Adding to 2222400004 its reverse (4000042222), we get a palindrome (6222442226).

It can be divided in two parts, 2222 and 400004, that multiplied together give a palindrome (888808888).

The spelling of 2222400004 in words is "two billion, two hundred twenty-two million, four hundred thousand, four".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 748 2971123 5942246 11884492 32682353 50509091 65364706 101018182 130729412 202036364 555600001 1111200002 2222400004